The lawn mower from the purchase date had sounded like it was put together after nap time in pre- school for extra credit ,this thing sounds horrible, it rattles and backfires ,I'm guessing whatever lack of knowledge of the build on this mower it has now stop working even at a rattle ,all it does is hum and buzz. The Mower was used for 1 full summer . User's recommendation: Buy product from anyone else.